Dell PowerEdge R740 BIOS and UEFI Reference Guide
Summary
This document is the Dell PowerEdge R740 BIOS and UEFI Reference Guide. It provides detailed information about pre-operating system management applications, including System Setup, BIOS configuration options, iDRAC settings, device settings, and boot management. The guide covers system BIOS parameters, security settings, and integrated device configuration. Target users are system administrators and deployment engineers configuring Dell PowerEdge R740 servers in enterprise data center environments.
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Dell Power Edge R740 BIOS and UEFI Reference Guide
Regulatory Model: E38S Series Regulatory Type: E38S001 March 2022 Rev. A03
Page Summary Contents For Dell PowerEdge R740 BIOS and UEFI Reference Guide
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Dell Power Edge R740 BIOS and UEFI Reference Guide Regulatory Model: E38S Series Regulatory Type: E38S001 March 2022 Rev. A03
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Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of d...
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Contents Chapter 1: Pre-operating system management applications...........................................................4 Options to manage the pre-operating system applications.......................
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Pre-operating system management applications You can manage basic settings and features of a system without booting to the operating system by using the system firmware. Topics: Options to manage the ...
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System Setup details The System Setup Main Menu screen details are explained as follows: Option Description System BIOS Enables you to configure BIOS settings. i DRAC Settings Enables you to configure...
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Option Description Network Settings Provides options to manage the UEFI network settings and boot protocols. Legacy network settings are managed from the Device Settings menu. Integrated Provides opti...
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Option Description System Service Specifies the system Service Tag. Tag System Specifies the name of the system manufacturer. Manufacturer System Specifies the contact information of the system manufa...
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Option Description System Memory Specifies whether the system memory tests are run during system boot. Options are Enabled and Testing Disabled. This option is set to Disabled by default. Dram Refresh...
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Processor Settings You can use the Processor Settings screen to view the processor settings and perform specific functions such as enabling virtualization technology, hardware prefetcher, logical proc...
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Option Description DCU IP Enables or disables the Data Cache Unit (DCU) IP prefetcher. This option is set to Enabled by default. Prefetcher Sub NUMA Sub NUMA Clustering (SNC) is a feature for breaking...
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Option Description Option Description Maximum Specifies the maximum memory capacity per processor. Memory Capacity Microcode Specifies the microcode. SATA Settings You can use the SATA Settings screen...
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NVMe Settings The NVMe settings enable you to set the NVMe drives to either RAID mode or Non-RAID mode. NOTE: To configure these drives as RAID drives, you must set the NVMe drives and the Embedded SA...
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2. Press F2 immediately after you see the following message: F2 = System Setup NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then restar...
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1. From the System Setup Main Menu, click Boot Settings, and select Boot Mode. 2. Select the UEFI boot mode you want the system to boot into. CAUTION: Switching the boot mode may prevent the system fr...
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Network Settings screen details The Network Settings screen details are explained as follows: About this task Option Description UEFI PXE Options Description Settings PXE Device n (n Enables or disabl...
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Option Description authenticated by the client, while the client will not be authenticated by the server. This option is set to None by default. Integrated Devices You can use the Integrated Devices s...
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Option Description I/OAT DMA Enables or disables the I/O Acceleration Technology (I/OAT) option. I/OAT is a set of DMA features Engine designed to accelerate network traffic and lower CPU utilization....
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Option Description Table 3. Slot Disablement (continued) Option Description Slot 3 Enables or disables or only the boot driver is disabled for the PCIe slot 3. This option is set to Enabled by default...
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Serial Communication You can use the Serial Communication screen to view the properties of the serial communication port. Viewing Serial Communication To view the Serial Communication screen, perform ...
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Option Description Redirection After Enables or disables the BIOS console redirection when the operating system is loaded. This option is set Boot to Enabled by default. System Profile Settings You ca...
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Option Description Uncore Enables you to select the Processor Uncore Frequency option.Dynamic mode enables the processor Frequency to optimize power resources across cores and uncores during runtime. ...
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NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then restart your system and try again. 3. On the System Setup Main Menu screen, click Sys...
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Option Description User Defined Enables you to set the User Defined Delay option when the User Defined option for AC Power Delay (60 s to Recovery Delay is selected. 600 s) UEFI Variable Provides vary...
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NOTE: If the password jumper setting is disabled, the existing system password and setup password are deleted and you need not provide the system password to boot the system. Steps 1. To enter System ...
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Operating with setup password enabled If Setup Password is set to Enabled, type the correct setup password before modifying the system setup options. If you do not type the correct password in three a...
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Option Description Redundant OS NOTE: This option is disabled if Redundant OS Location is set to None. State When set to Visible, the backup disk is visible to the boot list and OS. When set to Hidden...
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Option Description Dell Wyse Enables or disables the Dell Wyse P25/P45 BIOS Access. This option is set to Enabled by default. P25/P45 BIOS Access Power Cycle Enables or disables the Power Cycle Reques...
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2. Press F11 when you see the following message: F11 = Boot Manager If your operating system begins to load before you press F11, allow the system to complete the booting, and then restart your system...
Manual Details
| Brand | Dell |
|---|---|
| Pages | 28 |
| File Size | 210.07 KB |
| Published | June 29, 2026 |
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Frequently Asked Questions
How do I access the System Setup menu to configure BIOS settings?
Power on or restart the system, and then press F2 immediately after the initial message appears.
What key combination should I use to enter the Boot Manager screen?
To access the Boot Manager, power on or restart the system, and press F11 when you see the appropriate message.
How can I perform a remote boot setup for networking devices?
Use the Preboot Execution Environment (PXE) option by booting the system and pressing F12 during POST.
What should I do if my operating system loads before I try to enter Setup or Boot Manager?
Allow the operating system time to complete the full boot cycle, then restart your system and attempt to access the menu again.